*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body{
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100vh;
}

.container{
    width: 352px;
    margin: auto;
}

h2{
    text-align: center;
    margin-bottom: 20px;
}

.week,.day{
    display: flex;
    width: 352px;
    flex-wrap: wrap;
    border:1px solid #999;
}

.week span,.day span{
    line-height: 50px;
    text-align: center;
    width: 50px;
    height: 50px;
    box-shadow: 1px 1px 1px #999;
}

span:hover{
    color: #897489;
    background: hotpink;
}

.h{
    color: #999;
}

.today{
    background: aqua;
    color: #fff;
}